* {
    /* padding: 0; */
    margin: 0;
}

.all {
    width: 1100px;
    height: 1400px;
    background: lightyellow;
    margin: 0 auto;
}

header {
    width: 100%;
    height: 200px;
    background: url(images/banner.jpg) no-repeat;
    background-position: 0px -80px;
    line-height: 200px;
}

header img {
    margin-left: 520px;
}

nav {
    width: 100%;
    height: 50px;
    background: white;
    /* border-bottom: 2px solid darkgray; */
    /* box-shadow: 2px 2px 10px gainsboro; */
    text-align: center;
}

nav a {
    text-decoration: none;
    margin-left: 30px;
    line-height: 50px;
    color: gray;
    display: inline-block;
    /*行内元素*/
}

nav a:hover {
    color: black;
    border-bottom: 2px solid orangered;
}

aside {
    width: 100%;
    height: 1200px;
    background: gainsboro;
}

.zuo {
    width: 500px;
    height: 1200px;
    /* border: 2px solid firebrick; */
    float: left;
    margin-left: 100px;
    /* margin-top: 20px; */
}

.zuo article {
    width: 500px;
    height: 350px;
    background: white;
    line-height: 25px;
    margin-top: 20px;
    /* margin-left: 25px; */
}

.zuo article h3 {
    text-align: center;
    line-height: 50px;
    font-size: 20px;
}

.zuo article span {
    font-size: xx-small;
    margin-left: 180px;
    line-height: 20px;
    color: gray;
}

.zuo article span a {
    color: orangered;
    text-decoration: none;
}

.zuo article p {
    width: 450px;
    height: 130px;
    margin-top: 30px;
    margin-left: 20px;
    /* color: gray; */
}

.zuo article .wen {
    width: 80px;
    height: 30px;
    background: rgba(235, 105, 58, 0.8);
    border-radius: 5px;
    margin-left: 20px;
    margin-top: 10px;
}

.zuo article .wen:hover {
    background: orangered;
}

.zuo article .wen a.a1 {
    font-size: 10px;
    height: 30px;
    text-decoration: none;
    text-align: center;
    color: white;
    line-height: 20px;
    margin-left: 20px;
}

.zuo article b {
    color: gray;
    font-size: 10px;
    margin-top: 20px;
    margin-left: 20px;
    display: block;
}

.zuo nav {
    margin-top: 20px;
    background: none;
    font-size: 1px;
    display: inline-block;
}

.zuo nav a {
    width: 120px;
    height: 50px;
    color: white;
    /* display: inline-block; */
    background: rgba(235, 105, 58, 0.8);
    font-size: xx-small;
    border-radius: 8px;
}

.zuo nav a:hover {
    background: orangered;
}

.you {
    width: 300px;
    height: 340px;
    /*border: 2px solid firebrick;*/
    float: left;
    margin-left: 20px;
    /* margin-top: 20px; */
}

.you section {
    width: 300px;
    height: 150px;
    background: white;
    margin-top: 20px;
}
.you section .ti p{
	font-size: 18px;
	width: 80px;
	height: 30px;
	display: inline-block;
	border-bottom: 2px solid chocolate;
}
/*.you section .ti p:hover{}*/
.you section .ti {
	width: 260px;
	height: 30px;
	border-bottom:2px solid gainsboro;
	/*background: darkgray;*/
	margin-left: 20px;
}
.you section span{
	display: block;
	margin-left: 20px;
	font-size: 15px;
	margin-top: 20px;
}
.you section a{
	display: inline-block;
	margin-top: 10px;
	margin-left: 20px;
	line-height: 20px;
	text-decoration: none;
	color: rgba(235, 105, 58, 0.8);
}
.you section .ti2 h4{
	font-size: 18px;
	width: 100px;
	height: 30px;
	display: inline-block;
	margin-top: 10px;
	border-bottom: 2px solid chocolate;
}
.you section .ti2 {
	width: 260px;
	height: 40px;
	border-bottom:2px solid gainsboro;
	/*background: darkgray;*/
	margin-left: 20px;
}
.you section .ljie{
	width: 260px;
	height: 30px;
	background:  rgba(235, 105, 58, 0.8);
	margin-left: 20px;
	margin-top: 10px;
}
.you section .ljie a{
	color: white;
	line-height: 30px;
	display: block;
	margin-left: 50px;
}
.you section .ljie:hover{
	background: orangered;
}
footer {
    width: 100%;
    height: 50px;
    background: black;
    /*border: 2px solid darkblue;*/
}
footer p{
	color: rgba(255,255,255,0.5);
    line-height: 50px;
    text-align: center;
    font-size: 12px;
}
